#307FAA#307FAA

#307FAA is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.101 H 236.4°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#307FAA
RGB	rgb(48, 127, 170)
HSL	hsl(201, 56%, 43%)
HSV	hsv(201, 72%, 67%)
CMYK	cmyk(71.8%, 25.3%, 0%, 33.3%)
CIE-LAB	lab(50.34, -9.53, -29.79)
CIE-LCH	lch(50.34, 31.28, 252.25°)
OKLab	oklab(56.76% -0.0557 -0.0839)
OKLCH	oklch(56.76% 0.101 236.4)
XYZ	xyz(16.0611, 18.7076, 40.7869)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FAA #AA5B30

analogous

#30AA98 #307FAA #3042AA

triadic

#307FAA #AA307F #7FAA30

tetradic

#307FAA #9830AA #AA5B30 #42AA30

square

#307FAA #9830AA #AA5B30 #42AA30

split-complementary

#307FAA #AA3042 #AA9830

monochromatic

#15384B #235B7A #307FAA #4B9FCC #7BB8DA

Accessibility & contrast

On white

4.43

#307FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#307FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FAA

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FAA	#FFFFFF	#000000	##000000
##307FAA	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7EAC

Deuteranopia (green-blind)

#5A73A9

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307faa;
/* rgb */ color: rgb(48, 127, 170);
/* oklch */ color: oklch(56.8% 0.101 236.4);

Tailwind

colors: {
  custom: {
    50: '#78a4c3',
    500: '#307faa',
    950: '#000000',
  },
}

SCSS

$custom: #307faa;
$custom-light: #78a4c3;
$custom-dark: #000000;

JSON

{
  "hex": "#307faa",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 170
  },
  "hsl": {
    "h": 201.148,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.56756,
    "c": 0.10067,
    "h": 236.4
  },
  "luminance": 0.18709
}

Semantic roles & 50–950 ramp

primary

#307FAA

secondary

#C28F74

accent

#7E49DF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307FAA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →